This study will develop and then test a web-based guided self-help version of Acceptance and Commitment Therapy (ACT) to be utilized at college counseling centers (CCCs). ACT is an evidence-based transdiagnostic therapy found to effectively treat a range of psychological problems. An ACT program would provide a means of implementing effective treatment for the range of problems in the CCC setting, while the guided self-help format would reduce counselors' workload, improving cost-effectiveness and reducing waiting lists. This would both treat students and train counselors in how to implement the ACT intervention.